Date: Fri, 30 Aug 2002 15:07:14 -0500 From: "Jack L. Stone" <jackstone@sage-one.net> To: "David W. Chapman Jr." <dwcjr@inethouston.net>, Brooks Davis <brooks@one-eyed-alien.net> Cc: stable@FreeBSD.ORG Subject: Re: Updating world with least downtime Message-ID: <3.0.5.32.20020830150714.020e3b90@mail.sage-one.net> In-Reply-To: <20020830184305.GC11237@leviathan.inethouston.net> References: <20020830113823.A31843@Odin.AC.HMC.Edu> <00af01c25054$3024aca0$04fea8c0@motorcity.on.ca> <20020830113823.A31843@Odin.AC.HMC.Edu>
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At 01:43 PM 8.30.2002 -0500, David W. Chapman Jr. wrote: >On Fri, Aug 30, 2002 at 11:38:23AM -0700, Brooks Davis wrote: >> On Fri, Aug 30, 2002 at 02:36:43PM -0400, Derek wrote: >> > Hello, >> > I intend to update the OS source on a primary server for my >> > company. If I buildworld, and buildkernel, then drop to single >> > and installworld, and installkernel, will the kernel installed be >> > the same version as the world newly installed, or will it be the >> > version _currently_ installed on the machine? >> >> It will be installed, but not booted unless you reboot after which is >> a very bad idea because if it fails, your world may not work with your >> old kernel.. You want to follow the instructions in /usr/src/UPDATING. >> If you do that, the only time you'll spend in single user mode is >> installworld and mergemaster. > >You should be able to run installworld installkernel and mergemaster >in multi-user depending on your securelevel. > > >-- >David W. Chapman Jr. >dwcjr@inethouston.net Raintree Network Services, Inc. <www.inethouston.net> >dwcjr@freebsd.org FreeBSD Committer <www.FreeBSD.org> > Yes, that's what I do after taking an image of the drive and also using the "build box" as the first test to see if everything works okay. Downtime is only a matter of seconds... riskier, yes, but acceptable with the image to fall back on. Dropping to the single-user mode causes a downtime of about 30 minutes otherwise on a 1.4G CPU machine... longer on slower machines. Everthing is now done via scripts. Best regards, Jack L. Stone, Administrator SageOne Net http://www.sage-one.net jackstone@sage-one.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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